Prepaid Expenses and Other Current Assets - Schedule Of Prepaid Expenses and Other Current Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Prepaid Expense and Other Assets, Current [Abstract]
Deferred commission	$ 14,144	$ 10,044
Prepaid expenses	7,938	7,648
Foreign currency forward contracts derivatives	3,332	0
Government institutions & other receivables	1,586	1,357
Short-term deposits & other	357	317
Prepaid expenses and other current assets	$ 27,357	$ 19,366